<template>
  <div>
    <h1>{{ title }}</h1>
    <div id="main" style="width: 750px;height: 350px"></div>
  </div>
</template>

<script>
export default {
  data () {
    return {
      title: 'Echarts 图表示例'
    }
  },
  mounted () {
    this.initChart()
  },
  methods: {
    initChart () {
      const myChart = this.$echarts.init(document.getElementById('main'))
      // 基于准备好的dom，初始化echarts实例
      myChart.setOption({
        title: {
          text: 'Rainfall vs Evaporation',
          subtext: 'Fake Data'
        },
        tooltip: {
          trigger: 'axis'
        },
        legend: {
          data: ['Rainfall', 'Evaporation']
        },
        toolbox: {
          show: true,
          feature: {
            dataView: {
              show: true,
              readOnly: false
            },
            magicType: {
              show: true,
              type: ['line', 'bar']
            },
            restore: { show: true },
            saveAsImage: { show: true }
          }
        },
        calculable: true,
        xAxis: [
          {
            type: 'category',
            // prettier-ignore
            data: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']
          }
        ],
        yAxis: [
          {
            type: 'value'
          }
        ],
        series: [
          {
            name: 'Rainfall',
            type: 'bar',
            data: [
              2.0, 4.9, 7.0, 23.2, 25.6, 76.7, 135.6, 162.2, 32.6, 20.0, 6.4, 3.3
            ],
            markPoint: {
              data: [
                {
                  type: 'max',
                  name: 'Max'
                },
                {
                  type: 'min',
                  name: 'Min'
                }
              ]
            },
            markLine: {
              data: [{
                type: 'average',
                name: 'Avg'
              }]
            }
          },
          {
            name: 'Evaporation',
            type: 'bar',
            data: [
              2.6, 5.9, 9.0, 26.4, 28.7, 70.7, 175.6, 182.2, 48.7, 18.8, 6.0, 2.3
            ],
            markPoint: {
              data: [
                {
                  name: 'Max',
                  value: 182.2,
                  xAxis: 7,
                  yAxis: 183
                },
                {
                  name: 'Min',
                  value: 2.3,
                  xAxis: 11,
                  yAxis: 3
                }
              ]
            },
            markLine: {
              data: [{
                type: 'average',
                name: 'Avg'
              }]
            }
          }
        ]
      })
      window.onresize = function () { // 自适应大小
        myChart.resize()
      }
    },
  },
}


</script>

<style lang="scss" scoped>

</style>
